Individual Calculations March 2010
 Van Der Gracht, Wilko  Total change: 12.60  Rating chartPersonal card
 Klasse 3D Round 5-6 - Dutch Team Competition Various NED 2010-01-09
RcRownchangeKK*chgGame
 2005 2063 2.00 2 0.84 15 12.60 
  Oldenhuis, Lance 1989 NED1.0010.40156.00 
  Van Blokland, Tjerk 2020 NED1.0010.44156.60 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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